package com.rayo.accesscontrollercopy.model.db.dao;


import com.rayo.accesscontrollercopy.model.db.bean.SystemData;

import java.util.List;

/**
 * Created by yanghaojie on 16/7/13.
 */
public interface SystemDataDao {
    List<SystemData> findAll();

    SystemData findFirst();

    void addSystem(SystemData systemData);

    void updateSystem(SystemData systemData);

    void deleteAll();
}
